/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hadoop.hive.ql.reexec;

import java.util.Optional;

public enum ReExecutionStrategyType {
  OVERLAY(ReExecutionOverlayPlugin.class),
  REOPTIMIZE(ReOptimizePlugin.class),
  REEXECUTE_LOST_AM(ReExecuteLostAMQueryPlugin.class),
  RECOMPILE_WITHOUT_CBO(ReCompileWithoutCBOPlugin.class),
  DAGSUBMIT(ReExecutionDagSubmitPlugin.class),
  WRITE_CONFLICT(ReExecuteOnWriteConflictPlugin.class);

  ReExecutionStrategyType(Class<? extends IReExecutionPlugin> pluginClass) {
    this.pluginClass = pluginClass;
  }

  private final Class<? extends IReExecutionPlugin> pluginClass;

  public Class<? extends IReExecutionPlugin> getPluginClass() {
    return pluginClass;
  }

  public static Class<? extends IReExecutionPlugin> getPluginClassByName(String strategy) {
    return ReExecutionStrategyType.valueOf(strategy.toUpperCase()).getPluginClass();
  }
}
